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perf tools: Use asprintf instead of malloc plus snprintf
The asprintf library function is equivalent to malloc plus snprintf so use it because it is simpler. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1386055390-13757-4-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -227,7 +227,6 @@ char *get_srcline(struct dso *dso, unsigned long addr)
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unsigned line = 0;
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char *srcline;
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char *dso_name = dso->long_name;
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size_t size;
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if (!dso->has_srcline)
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return SRCLINE_UNKNOWN;
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@ -241,13 +240,7 @@ char *get_srcline(struct dso *dso, unsigned long addr)
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if (!addr2line(dso_name, addr, &file, &line))
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goto out;
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/* just calculate actual length */
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size = snprintf(NULL, 0, "%s:%u", file, line) + 1;
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srcline = malloc(size);
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if (srcline)
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snprintf(srcline, size, "%s:%u", file, line);
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else
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if (asprintf(&srcline, "%s:%u", file, line) < 0)
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srcline = SRCLINE_UNKNOWN;
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free(file);
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